(19)
(11) EP 2 686 081 A1

(12)

(43) Date of publication:
22.01.2014 Bulletin 2014/04

(21) Application number: 12776835.6

(22) Date of filing: 23.04.2012
(51) International Patent Classification (IPC): 
B01D 11/00(2006.01)
C02F 1/28(2006.01)
B01D 37/00(2006.01)
(86) International application number:
PCT/US2012/034723
(87) International publication number:
WO 2012/148864 (01.11.2012 Gazette 2012/44)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 25.04.2011 US 201161517687 P
15.07.2011 US 201161572394 P

(71) Applicant: Trevi Systems Inc.
Petaluma, CA 94954 (US)

(72) Inventors:
  • CARMIGNANI, Gary
    Occidental CA 95465 (US)
  • SITKIEWITZ, Steve
    Sebastopol CA 95472 (US)
  • WEBLEY, John, Wilfred
    Santa Rosa CA 95404 (US)

(74) Representative: Barton, Russell Glen et al
Withers & Rogers LLP 4 More London Riverside
London SE1 2AU
London SE1 2AU (GB)

   


(54) RECOVERY OF RETROGRADE SOLUBLE SOLUTE FOR FORWARD OSMOSIS WATER TREATMENT